class_docstr: Test the output of the MPS template.
code: def circuit4_MPS(wires, **kwargs):  # pylint: disable=unused-argument
      qml.MultiControlledX(
          wires=[wires[0], wires[1], wires[2], wires[3]]
      )
      qml.MultiControlledX(
          wires=[wires[2], wires[3], wires[4], wires[5]]
      )
      qml.MultiControlledX(
          wires=[wires[4], wires[5], wires[6], wires[7]]
      )
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane.templates.tensornetworks.mps import compute_indices_MPS, MPS
label_desc: Use image node_id 7 for calling the TestTemplateOutputs obj's underlying member method code with example usage: obj.circuit4_MPS(wires) without return types